Isochron Scepter, Toymaker, and Benefactor's Draught

Prerequisites

• Isochron Scepter on the battlefield
• Toymaker on the battlefield
• Benefactor's Draught in exile
• available

Steps

1. Animate Isochron Scepter using Toymaker
2. Activate any number of creatures by tapping them, adding at least
3. Activate Isochron Scepter by paying and tapping it, casting a copy of Benefactor's Draught without paying its mana cost
4. Resolve Benefactor's Draught, untapping all creatures you control and causing you to draw a card Repeat from step 2

Results

• Infinite card draw
• Infinite draw triggers
• Near-infinite magecraft triggers
• Near-infinite mana creatures you control can produce
• Near-infinite storm count
• Near-infinite untap of creatures you control